/*
 * Copyright 2002-2012 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.bangcommunity.bbframe.common.utils.reflect;

import com.bangcommunity.bbframe.common.utils.lang.ObjectUtils;

/**
 * Abstract superclass for all exceptions thrown in the beans package and subpackages.
 *
 * <p>
 * Note that this is a runtime (unchecked) exception. Beans exceptions are usually fatal; there is
 * no reason for them to be checked.
 *
 * @author Rod Johnson
 * @author Juergen Hoeller
 */
@SuppressWarnings("serial")
public abstract class BeansException extends NestedRuntimeException {

    /**
     * Create a new BeansException with the specified message.
     * 
     * @param msg
     *            the detail message
     */
    public BeansException(String msg) {
        super(msg);
    }

    /**
     * Create a new BeansException with the specified message and root cause.
     * 
     * @param msg
     *            the detail message
     * @param cause
     *            the root cause
     */
    public BeansException(String msg, Throwable cause) {
        super(msg, cause);
    }

    @Override
    public boolean equals(Object other) {
        if (this == other) {
            return true;
        }
        if (!(other instanceof BeansException)) {
            return false;
        }
        BeansException otherBe = (BeansException) other;
        return (getMessage().equals(otherBe.getMessage())
                && ObjectUtils.nullSafeEquals(getCause(), otherBe.getCause()));
    }

    @Override
    public int hashCode() {
        return getMessage().hashCode();
    }

}
